On the research of rain and snow, this paper, based on the advanced particle system, this paper analyzes the characteristics of raindrop and snowflake respectively and simulates the phenomena of rainfall and snowfall.

• 雨和雪的研究主要在通用粒子系统的基础上,分析了雨滴和雪花各自的形态和运动特点,结合了各种三维空间对象的绘制技术,模拟出动态的降雨和降雪过程。